BFG - Service Manuals

1 manual available for download

BFG offers comprehensive technical documentation for precision timepieces, providing watchmakers and repair technicians with essential resources including service manuals, repair guides, and detailed parts lists. Our PDF downloads deliver workshop-ready specifications and maintenance procedures designed to support professional servicing and troubleshooting across our catalog. Whether you need owner's manual references, technical specifications, or step-by-step repair documentation, BFG materials equip horologists with the accurate information required for quality restoration and long-term timepiece care.

BFG Cal. 410 Pocket Stopwatch Movement - Technical Data

Technical data sheet for the BFG Baumgartner Frères Cal. 410 pocket stopwatch movement. Covers specifications for this lever escapement mechanism (encasement diameter 44.70 mm, total diameter 45.45 mm), available in two configurations: intermediate stop with blocked zero-return, or intermediate stop with instantaneous zero-return. This workshop manual provides detailed technical specifications and dimensional data for the balance wheel, barrel, lever escapement system, mainspring, and stem assembly — essential reference material for repair technicians and watchmakers servicing this precision instrument.

$7.00PDF · 5p